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Finding the Fourth Proportional to 303,801.52, 455,745.84 and 93,457.12

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Solution

The fourth proportional to 303,801.52, 455,745.84 and 93,457.12 is: 140,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,801.52 : 455,745.84 = 93,457.12 : x
  2. Step 2: Convert to fraction form
    303,801.52/455,745.84 = 93,457.12/x
  3. Step 3: Cross multiply
    303,801.52x = 455,745.84 × 93,457.12
  4. Step 4: Simplify right side
    303,801.52x = 42,592,693,658.38
  5. Step 5: Solve for x
    x = 42,592,693,658.38/303,801.52
  6. Step 6: Final answer
    x = 140,199.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.